| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-331-0487 (013310487) |
| NCB Code | USA (01) |
| Manufacturer | Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUR | GRIP DIAMETER | 0.189 INCHES MINIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 2.734 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.109 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM |
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.375 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.141 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| MATT | MATERIAL | STEEL OVERALL |
| Components Related to NSN - 5306-01-331-0487, 5306013310487 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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